Răspuns :
a) a + 34:2 + 28:14 = 44
a + 17 + 2 = 44
a = 44 - 19
a = 25
b) 65:5 + 3a - 39:13 = 78
13 + 3a - 3 = 78
3a = 78 + 3 - 13
3a = 68
a = 68/3
a) a + 34:2 + 28:14 = 44
a + 17 + 2 = 44
a = 44 - 19
a = 25
b) 65:5 + 3a - 39:13 = 78
13 + 3a - 3 = 78
3a = 78 + 3 - 13
3a = 68
a = 68/3